那些古怪又让人忧心的问题: 前NASA成员、美国最火科普博客xkcd幽默问答集

What if our DNA disappears? What if the oceans are evacuated? What if the earth expands as big as the sun? How high the steak falls from will be baked? What will people experience if they want to move out of the earth? It is not normal Hundred Thousand Whys, but these unbelievable truths of science. Various fantastic ideas in childhood would be find its scientific answers in the book.